Atypia grade | Histological subtype | Remarks | |
---|---|---|---|
Tub1 | Tub2 | ||
Low-grade (LG) | LG-tub1 | LG-tub2 | Tumours that are diagnosed as LG-tub1 by Japanese gastrointestinal pathologists may be |
High-grade (HG) | HG-tub1 | HG-tub2 | diagnosed as high-grade dysplasia by Western gastrointestinal pathologists [7]. |